Dr. Mairi O Brien

Assistant Professor

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Biography

Mairi O'Brien is a research fellow in the Astronomy & Astrophysics group at the University of Warwick. Her research focuses on the demographics of local white dwarf populations, particularly through the study of a benchmark volume-limited sample of white dwarfs located within 40 parsecs. Utilizing Gaia photometry and parallaxes, she has made significant contributions, including the confirmation of approximately 250 new white dwarfs and achieving a 99% complete spectroscopic follow-up of her sample. O'Brien's work also involves detailed spectroscopy to determine atmospheric compositions of these stars, providing accurate parameters such as mass and age. She has contributed to several key publications in notable journals, highlighting her findings related to helium-atmosphere white dwarfs and their interaction with planetary debris.

Research Interests

Experience

Research Fellow

2021-01-01 — 2025-01-01

University of Warwick • Coventry, UK

Conducting research on local white dwarf populations, leading projects involving Gaia data and contributing to various research publications.

Requirements for University of Warwick

Master Program
Requirements
GPA Requirement
Required:2.1
IELTS
Listening
Required:6
Reading
Required:6
Writing
Required:6
Speaking
Required:6
Overall
Required:6.5
TOEFL
Listening
Required:21
Reading
Required:22
Writing
Required:21
Speaking
Required:23
Total
Required:92
PTE
Listening
Required:59
Reading
Required:59
Writing
Required:59
Speaking
Required:59
Overall
Required:62
Duolingo
Overall Score
Required:120
Overall
Required:120
Prerequisites
Bachelor degree in Engineering or a related STEM discipline
Application Checklist
  • Online application form
  • Official transcripts
  • Degree certificate
  • Personal statement
  • One academic reference
  • CV/Resume
  • English language proficiency evidence
Specialization Notes

Includes General, Mechanical, Civil, Electrical, Biomedical, and Manufacturing Engineering. Most programs fall under English Band A.